This article covers LG Ultragear 39GX900A 39インチ OLED カーブゲーミングモニター.

Overview

The LG Ultragear 39GX900A is a 39-inch curved OLED gaming monitor designed for high-performance gaming and immersive content consumption. With a WQHD (3440×1440) resolution, 240Hz refresh rate, and 0.03ms GtG response time, it delivers ultra-smooth motion and low latency. The MLA+ OLED panel achieves up to 1300 nits peak brightness and carries DisplayHDR True Black 400 certification, ensuring deep blacks and vivid colors.

Connectivity & Compatibility

Connectivity includes two HDMI 2.1 ports, one DisplayPort 1.4, and one USB-C port with 65W Power Delivery. This allows full WQHD 240Hz output from PS5 and Xbox Series X. The USB-C port simplifies desk setup by handling both video and charging for laptops. The monitor supports NVIDIA G-SYNC Compatible, AMD FreeSync Premium Pro, and AdaptiveSync, eliminating screen tearing and stuttering.

Product Info

Released in late 2025, the 39GX900A is a high-end offering from LG's Ultragear lineup. Its MLA+ OLED technology pushes color volume and brightness ahead of many competitors. The price is around ¥266,000, typical for a premium OLED ultrawide. Warranty is standard three years. Accessories include power cable, DisplayPort cable, USB-C cable, and manual.

Best Use Cases

  • Competitive gamers in FPS and racing titles: The 240Hz refresh and 0.03ms response provide a clear advantage. However, the high price may be a barrier for budget-conscious buyers.
  • Single-player enthusiasts: The 21:9 aspect ratio and OLED contrast enhance immersion in story-driven games, movies, and creative work.
  • Content creators: DCI-P3 98.5% coverage and HDR True Black 400 enable accurate color grading for video and photo editing, though professional monitors may offer better calibration.
  • Multi-device users: The USB-C 65W PD simplifies laptop connectivity, making it ideal for a clean desk setup.

Product Disclosure (Amazon)

  • Manufacturer: LG
  • Seller: よろず流通館 送料無料！年中無休でお届けします！
  • Fulfilled by: よろず流通館 送料無料！年中無休でお届けします！
  • ASIN: B0FDC84LWV
  • Note: This article covers a manufacturer-made product based on Amazon listing details.